Abstract Autism is a condition characterised by impairments of social communication, social interaction and social imagination. The exact aetiology of autism is unknown but some autistic features have been explained by the 'opioid excess theory' in which excess brain peptide...

Low blood pressure (hypotension) might seem desirable, and for some people, it causes no problems. However, for many people, abnormally low blood pressure (hypotension) can cause dizziness and fainting. In severe cases, low blood pressure can be life-threatening. A blood...

Ringworm of the body (tinea corporis) is a rash caused by a fungal infection. It’s usually a red, itchy, circular rash with clearer skin in the middle. Ringworm gets it's name because of its appearance. No worm is involved. Ringworm...

Coronary artery disease develops when the major blood vessels that supply your heart become damaged or diseased. Cholesterol-containing deposits (plaques) in your coronary arteries and inflammation are usually to blame for coronary artery disease. The coronary arteries supply blood, oxygen...

ADHD (Attention Deficit Hyperactivity Disorder) is a disorder that makes it difficult for a person to pay attention and control impulsive behaviors. He or she may also be restless and almost constantly active. Although the symptoms of ADHD begin in...